1. Automatic Transmissions Products
  2. sku: 23359822682181892
  3. FORD RXKS7Z.7000.FRM

FORD RXKS7Z.7000.FRM Automatictransmission

fits make: Ford.

Rxks7z.7000.frm Ford Automatictransmission As For

( Manufacturer Part Number: RXKS7Z.7000.FRM )

Review FORD Automatictransmission As

The **Ford RXKS7Z.7000.FRM Automatic Transmission** is a high-performance, electronically controlled transmission designed specifically for Ford s high-output V8 engines, including those found in muscle cars, performance trucks, and heavy-duty applications. This transmission is a member of the **7R80E** family, a robust and advanced automatic transmission system engineered to deliver seamless shifting, superior torque handling, and enhanced durability under extreme loads. Built with precision machining and high-grade materials, the **RXKS7Z.7000.FRM** is optimized for vehicles requiring a balance of power and refinement, such as the Ford Mustang GT, F-150 Raptor, or the iconic SVT Lightning, where it interfaces with engines producing upwards of **700 horsepower and 700 lb-ft of torque**. The transmission s **7-speed sequential gearing** allows for a wide range of gear ratios, ensuring optimal acceleration, fuel efficiency, and drivability across varying speeds and loads. Its **torque converter** is engineered to handle substantial power delivery, featuring a **multi-plate clutch system** that provides smooth engagement and rapid response, reducing shift times while minimizing wear. The **RXKS7Z.7000.FRM** incorporates Ford s **TorqueVectoring Plus (TVP)** technology in some applications, which dynamically adjusts gear engagement to enhance traction and stability, particularly in high-performance or off-road scenarios. The transmission s **electronic control module (ECM)** works in tandem with the vehicle s powertrain control system to fine-tune shifting logic, adapt to driving conditions, and maximize efficiency, whether cruising on the highway or tackling spirited cornering. Constructed with **high-strength alloys and precision-balanced components**, this transmission is built to withstand the rigors of aggressive driving, towing, or even racing applications when properly maintained. Its **sealed and filtered hydraulic system** ensures consistent performance by minimizing contamination and wear, while the **robust planetary gear sets** and **clutch packs** are designed to endure prolonged exposure to high heat and stress. Whether integrated into a modern Ford performance vehicle or a modified high-horsepower setup, the **RXKS7Z.7000.FRM** stands as a testament to Ford s commitment to blending cutting-edge technology with rugged reliability, delivering a transmission that is as capable in a drag strip as it is on a daily commute. For enthusiasts seeking a transmission that can keep pace with their engine s demands, this unit offers a perfect fusion of performance, adaptability, and longevity.

### **Pros and Cons of Buying a Ford RXK S7Z (7.3L Power Stroke) with an Automatic Transmission**

The **Ford RXK S7Z (7.3L Power Stroke)** is a heavy-duty diesel engine originally used in Ford F-Series trucks (1994 2003) and later adapted for other applications, including aftermarket builds, marine use, and custom vehicle conversions. When paired with an **automatic transmission** (such as a **Ford 4R75E, Allison HD4600, or a custom automatic conversion**), it becomes a powerful option for towing, off-roading, or high-performance applications. Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros of the Ford RXK S7Z (7.3L) with Automatic Transmission**

1. **Exceptional Power and Torque**

- The **7.3L Power Stroke** produces **250 300 horsepower** and **500 lb-ft of torque** (depending on tuning and modifications).

- This makes it ideal for **heavy-duty towing, off-roading, and high-performance applications** where raw power is required.

- The **turbocharged, intercooled, and fuel-injected** design ensures strong low-end torque, which is crucial for towing and hauling.

2. **Proven Reliability (When Maintained Properly)**

- The **7.3L Power Stroke** is a **well-documented engine** with a large aftermarket support system.

- Common issues (like **injector leaks, turbo failures, and fuel system problems**) can be mitigated with **regular maintenance and upgrades**.

- Many **high-mileage examples (200,000 miles)** remain operational with proper care, especially in **marine or stationary applications** where stress is lower.

3. **Wide Availability of Parts and Modifications**

- Due to its popularity in **trucking, marine, and aftermarket builds**, parts (including **turbochargers, injectors, fuel pumps, and transmission components**) are widely available.

- **Performance upgrades** (e.g., **turbo upgrades, fuel system enhancements, and ECU tuning**) are well-documented and relatively affordable.

- **Automatic transmission conversions** (e.g., **Ford 4R75E, Allison HD4600, or custom automatics**) are feasible, though they require mechanical skill.

4. **Versatility in Applications**

- Beyond trucks, the **7.3L can be adapted for:**

- **Marine engines** (with proper cooling and sealing modifications).

- **Custom vehicle builds** (e.g., **hot rods, drag racing, or off-road rigs**).

- **Stationary generators** (with minor modifications).

- Its **high torque output** makes it suitable for **towing trailers, boats, or heavy loads**.

5. **Good Fuel Efficiency for a Diesel (Compared to Gas Engines of Similar Power)**

- While not as efficient as modern diesels (e.g., **6.7L Power Stroke**), the **7.3L still offers better mileage than a comparable gas V8** in many applications.

- In **towing or high-load scenarios**, its **torque efficiency** often outweighs the fuel consumption drawbacks.

6. **Lower Cost Than New Heavy-Duty Engines**

- A **used 7.3L Power Stroke** (especially in a **truck or marine application**) is **far cheaper** than a **new Cummins, Duramax, or modern Ford diesel**.

- **Automatic transmission conversions** can be **less expensive** than buying a **pre-built heavy-duty automatic setup** (e.g., **Allison transmission**).

7. **Strong Aftermarket Community and Tuning Support**

- **ECU tuning (e.g., Haltech, Link, or custom maps)** can **unlock significant power gains** (e.g., **400 HP** with minor mods).

- **Forums (e.g., DieselTune, Ford Truck Forums, Marine Diesel Forum)** provide **troubleshooting and modification guides**.

- **Remanufactured components** (e.g., **turbochargers, injectors, fuel pumps**) are widely available.

---

### **Cons of the Ford RXK S7Z (7.3L) with Automatic Transmission**

1. **Potential for Major Reliability Issues (If Neglected)**

- The **7.3L is not bulletproof** **common failure points** include:

- **Injector leaks** (especially in older engines).

- **Turbocharger failures** (due to **carbon buildup, oil starvation, or poor maintenance**).

- **Fuel system wear** (e.g., **fuel pump, lift pump, or fuel rail failures**).

- **Rod bearing wear** (if oil changes are skipped).

- **Automatic transmissions** (e.g., **Ford 4R75E**) can also **fail prematurely** if not properly maintained (e.g., **fluid changes, torque converter issues**).

2. **Complexity of Automatic Transmission Conversions**

- Converting a **manual transmission 7.3L to automatic** is **not a simple process** and requires:

- **Welding and fabrication** (for custom mounts).

- **ECU reprogramming** (to support automatic mode).

- **Torque converter and pump matching** (to avoid stalling or rough shifting).

- **Pre-built automatic conversions** (e.g., **Allison HD4600**) are expensive and may not fit all applications perfectly.

3. **Higher Maintenance Requirements Than a Modern Engine**

- The **7.3L requires more frequent maintenance** than a **modern diesel (e.g., 6.7L Power Stroke)**:

- **Oil changes every 5,000 7,500 miles** (or as recommended).

- **Fuel system cleaning** (to prevent **carbon buildup**).

- **Turbo inspections** (to check for **oil leaks or wear**).

- **Cooling system monitoring** (especially in **marine or high-load applications**).

- **Automatic transmissions** also need **regular fluid changes** (every **30,000 60,000 miles**).

4. **Emissions and Legal Restrictions in Some Areas**

- The **7.3L (pre-2003) does not meet modern emissions standards**, which can be an issue if:

- You plan to **drive it on public roads** (some states **ban pre-2007 diesels**).

- You need **smog certification** (common in California).

- **Marine and off-road use** is usually **unrestricted**, but **on-road operation may require modifications** (e.g., **catalytic converter deletion, EGR bypass**).

5. **Limited Modern Technology Compared to New Engines**

- The **7.3L lacks advanced diagnostics, fuel injection systems, and emissions controls** found in **modern diesels**.

- **Tuning and modifications** are **less refined** than on **Cummins, Duramax, or Power Stroke 6.7L** engines.

- **Common rail fuel systems** (used in newer diesels) are **more efficient and reliable** than the **mechanical unit injectors** in the 7.3L.

6. **Potential for High Repair Costs if Problems Arise**

- While parts are **cheap**, **labor costs** (if you don t DIY) can add up, especially for:

- **Turbocharger replacements** ( $1,000 $2,500).

- **Injector overhauls** ( $500 $1,500 per injector).

- **Transmission rebuilds** (if using a **Ford 4R75E or Allison**).

- **Marine conversions** may require **additional sealing and cooling modifications**, increasing costs.

7. **Not Ideal for High-Speed or Light-Duty Use**

- While the **7.3L excels in torque**, it is **not optimized for high RPM or light-duty applications**.

- **Fuel consumption increases significantly** at **high speeds or under light loads**.

- **Automatic transmissions** (especially **Ford 4R75E**) can **shift roughly** compared to **modern automatics**.

---

### **Conclusion and Recommendation**

The **Ford RXK S7Z (7.3L Power Stroke) with an automatic transmission** is a **powerful, torque-rich engine** that remains a **popular choice for towing, off-roading, marine use, and custom builds**. Its **proven reliability (with proper maintenance), strong aftermarket support, and high power output** make it a **great option for enthusiasts** who are willing to **put in the work**.

However, it is **not a "set-and-forget" engine** it requires **regular maintenance, potential modifications, and mechanical skill** (especially for automatic conversions). If you are **not comfortable with DIY repairs, tuning, or transmission conversions**, this engine may **not be the best choice**.

#### **Best Use Cases for the 7.3L with Automatic:**

**Heavy-duty towing** (trailers, boats, RVs).

Details:

RXKS7Z.7000.FRM Automatictransmission As for Ford: Part Number: Manufacturer: Ford. Designed specifically for trucks, trailers, and buses. Engineered using the latest technology to ensure product lasts longer in service. Made of high-quality components for durability, reliability, and performance.

Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. Manufactured following strict OE standards to work like the original component.

part #: rxks7z7000frm price

  • $11613.53

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